请修缮这段文字要求表达要清晰语法要准确。The literature analysis methodology mainly refers to the collection identification and organization of literature and through the study of literature a comprehensive and correct un

The methodology for literature analysis primarily involves collecting, identifying, and organizing literature. Through the study of literature, this method enables a comprehensive and accurate understanding of the problem at hand. Additionally, literature analysis is an efficient and cost-effective approach to gather information. By systematically analyzing existing research literature, it obtains the necessary information for research. This topic focuses on collecting a significant number of research literature on public service announcement language from various journals, academic websites, and university libraries. Subsequently, the relevant papers are analyzed and sorted to fully and accurately comprehend the characteristics of public service announcement language. This understanding can guide the development of people's values in today's society. Finally, the collection of relevant research literature on public service announcement language will lay a strong foundation for future research